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Aidingimonas halophila gen. nov., sp nov., a moderately halophilic bacterium isolated from a salt lake

文献类型： 外文期刊

作者： Wang, Yun 3 ; Tang, Shu-Kun 1 ; Lou, Kai 3 ; Lee, Jae-Chan 4 ; Jeon, Che Ok 5 ; Xu, Li-Hua 1 ; Kim, Chang-Jin 4 ; Li, Wen 1 ;

作者机构： 1.Yunnan Univ, Yunnan Inst Microbiol, Minist Educ, Key Lab Microbial Resources, Kunming 650091, Peoples R China

2.Yunnan Univ, Yunnan Inst Microbiol, Lab Conservat & Utilizat Bioresources, Kunming 650091, Peoples R China

3.Xinjiang Acad Agr Sci, Xinjiang Inst Microbiol, Urumqi 830091, Xinjiang, Peoples R China

4.Korea Res Inst Biosci & Biotechnol, Taejon 305333, South Korea

5.Chung Ang Univ, Dept Life Sci, Seoul 156756, South Korea

期刊名称：INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY （ 影响因子：2.747； 五年影响因子：2.889 ）

ISSN： 1466-5026

年卷期： 2009 年 59 卷

页码：

收录情况： SCI

摘要： Two Gram-negative, facultatively anaerobic, catalase-positive, oxidase-negative, non-motile, rod-shaped and moderately halophilic bacterial strains, designated YIM 90637(T) and BH 017, were isolated from a salt lake in Xinjiang province, north-west China, and subjected to a polyphasic taxonomic study. Phylogenetic analysis based on 16S rRNA gene sequences revealed that the two novel isolates were affiliated with the family Halomonadaceae; the two strains shared 100% sequence similarity, but showed similarities of 94.7% with the type strain of Modicisalibacter tunisiensis, 93.2-94.7% with members of the genus Chromohalobacter, 93.2-95.0% with members of the genus Halomonas and less than 92.0% with other members of the family Halomonadaceae. However, DNA-DNA relatedness data and phenotypic properties demonstrated that strains YIM 90637(T) and BH 017 were representatives of the same species. The major fatty acids were C(19:0) cyclo omega 8c and C(16:0). The relative amount of C(19:0) cyclo omega 8c was notably higher than that found in most species of the family Halomonadaceae for which fatty acid composition has been determined. The genomic: DNA G + C content was 57.2-57.5 mol% and the only respiratory quinone was ubiquinone 9. Based on evidence from the polyphasic taxonomic study, it was concluded that the two strains should be classified as representatives of a novel species in a new genus, for which name Aidingimonas halophila gen. nov., sp. nov. is proposed; the type strain of Aidingimonas halophila is YIM 90637(T) (=KCTC 12885(T) = CCTCC AB 207002(T)).

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